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(No Model.) H. W. HADLEY & W. L. GROUT.

TAKE-UP MEGHANISM FOR SEWING MACHINES. No. 345.683.

Patented July 20, 1886.

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N PETERS, Phat UNITED STATES P TENT OFFICE.

HORACE WEBSTER HADLEY AND WILLIAM LcRoUT, or ORANGE, MASS.

TAKE- UP' MECHANISM FOR SEWING-MACHINES.

SPECIFICATION forming part of Letters Patent No. 345,683, dated July 20, 1886.

Application filed September 7, 1885. Serial No. 176,345. (No model.)

To all whom it may concern.-

Be it known that we, HORACE WEBSTER HADLEY and WILLIAM L. GROUT, both of Orange,countyofFranklin,andStateofMassachusetts, have invented an Improvement in Take- Up Mechanisms for Sewing-Machines,of which the following description, in connection with the accpmpanying drawings, is a specification, like letters on the drawings representing like parts.

This invention has for its object to provide a simple and effective take-up and slack-thread controller.

In the inventio'n to be herein described the take-up is actuated by the crank-pin employed to impart movement to the needlebar, and

the latter, by a pin thereon, actuates the slackthread controller.

This invention consists, essentially, in a rotating shaft having an attached disk and crank-pin, a link connected therewith, a needle-bar provided with a pin or stud, to which the said link is connected, the needle bar having stationary guides attached to the head of the machine, one above the other,in the same vertical plane, combined witha take-up composed of a slotted arm and a take-up arm, having their fulcra on a stud attached to the head of the machine at one side the center of said rotating shaft, the said crank and pin which operates the needle-bar entering the slot in the arm of the take-up lever and operating it, substantially as will be described.

Figure 1, in vertical section on the irregular line mm, Fig. 2, represents a sufficient por-, tionof the head of asewing-machine to illustrate this invention, the face plate being omitted; and Fig. 2 is a front elevation of the said head, or a view taken from the left of Fig. 1.

The head A, rotating needle-bar-actuating shaft B, its attached disk 0, the needle-bar D, and link E are all of usual construction.

The needle-bar D is reciprocated vertically in stationary guides or bushings 1O 10, fixed in the head of the machine, one vertically over the other.

The take-up is composed of the slotted arm a, split at one end to'embrace the pin or stud b, the said arm being clamped about the said pin or stud by ascrew, b, and of an arm, a, one

end of which, bent forward, as shown at c in the drawings, is provided with an eye, 2, to receive the needle-thread. The studb is fixed to the head of the machine at one side the center of rotation of the main shaft B. The crank-pin d,joining the end of the link E with the disk 0, is extended sufficiently through the link E to enter the groove in the arm or lever a of the take-up, the said crank-pin, extended through the said lever, being provided with an anti-friction roller, a. pin approaches and recedes from the fulcrum at stud b of the take-up lever, the latter is moved first at a fast speed and then at a slow speed, as is necessary to actuate the take-up in the proper order of time. The slack-threadcontrolling lever m, pivoted at m, has its end bent outward, as in Fig. 3, to receive the needle-thread against it. The slack-thread-controlling lever m is provided with an irregular slot, as at m, which receives the screw-stud of, in practice provided preferably with an anti-friction roller. The stud m moves the slack-thread-eontrolling lever in such manner as to prevent it getting under the point of the needle, giving it up, however, as needed by the stitch-making mechanism, the said lever at being moved positively. In some classes of work the lever on may be dispensed with; but when stitching thin goods it is especially desirable; Actuating the take up by the crank-pin which moves the needle-bar insures for the ,takeup movements in unison with the needle, and by the screw 1) the movements of the take-up and needle may be exactly timed.

We claim- 1. The rotating shaft B, its attached disk and crank-pin, and the link and needle-bar provided with the pin or stud, to which thesaid link is attached, and stationary guides for As the crank- I the said needle-bar, said guides being attached posed of thearn'l c and slotted arm a, the cranknames to this specification in the presence of pin entering the slot of the said arm a, comtwo subscribing witnesses. hined with the slotted slack-thread-c0ntr0i1ing lever, and with the stud m, carried by the gpgggggg HADLDY' 5 needle-bar and entering the slot of the said staekt11read-c0ntr01ling lever, substantially \Vitnesses: as described. EDW. M. BUELL,

In testimony whereof we have signed our G. P. FIELD. 

